TWI650782B - Integrated multi-inductor component - Google Patents
Integrated multi-inductor component Download PDFInfo
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- TWI650782B TWI650782B TW107126695A TW107126695A TWI650782B TW I650782 B TWI650782 B TW I650782B TW 107126695 A TW107126695 A TW 107126695A TW 107126695 A TW107126695 A TW 107126695A TW I650782 B TWI650782 B TW I650782B
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- 238000004804 winding Methods 0.000 claims abstract description 138
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001939 inductive effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
一種整合式多電感元件，包含：一鐵心與第一至第六繞線，該鐵心具有設置於繞線部兩端的第一凸緣、第二凸緣以及設置於繞線部上的中間凸緣，該第一凸緣設有第一至第三端電極，該中間凸緣設有第四至第六端電極，該第二凸緣設有第七至第八端電極，各該繞線分別連接於各該端電極。藉此，本發明可減少後端應用產品的元件使用數量，從而可有效地縮小產品的尺寸並減少製造、組裝所需的時間與成本，同時兼具有更佳的抗電磁干擾效能，進而可大幅提高本發明之實用性。 An integrated multi-inductance element includes: a core and first to sixth windings, the core having a first flange, a second flange provided at both ends of the winding portion, and an intermediate flange provided on the winding portion The first flange is provided with first to third end electrodes, the middle flange is provided with fourth to sixth end electrodes, the second flange is provided with seventh to eighth end electrodes, and each of the windings is respectively Connected to each of the terminal electrodes. In this way, the present invention can reduce the number of components used in back-end application products, which can effectively reduce the size of the product and reduce the time and cost required for manufacturing and assembly. At the same time, it has better anti-electromagnetic interference performance. The practicality of the present invention is greatly improved.
Description
本發明係關於一種線圈元件。 The present invention relates to a coil component.
按，在乙太網路晶片與RJ-45網路連接器之間通常會設置有必要的網路訊號處理電路，用以提供隔離、阻抗匹配、雜訊抑制等功能，藉以確保網路訊號的傳輸效果，此種網路訊號處理電路也可稱為網路變壓器(LAN Transformer，又稱Ethernet Transformer)，已知的網路變壓器就內部元件而言可區分為電感式與電容式，兩者的主要差別在於電容元件的有無，以電感式網路訊號處理電路為例，其係由數組變壓器及共模濾波器所構成(通常是2組或4組)，其中，這些元件可以個別、分散地安裝在電路板之上，也可以先集中地設置在同一個基板上並以外殼或外罩包覆，使整體外觀形成如同單一顆元件的模組，模組上通常會再設置並引出外部接點，以利其以SMT等方式安裝至欲應用的電路板上。 Press, the necessary network signal processing circuit is usually set between the Ethernet chip and the RJ-45 network connector to provide functions such as isolation, impedance matching, noise suppression, etc., to ensure the network signal Transmission effect. This kind of network signal processing circuit can also be called LAN Transformer (also known as Ethernet Transformer). Known network transformers can be divided into inductive and capacitive in terms of internal components. The main difference is the presence or absence of capacitive components. Take inductive network signal processing circuits as an example. It consists of an array transformer and a common-mode filter (usually 2 or 4 groups). Among them, these components can be individually and decentralized. It is installed on the circuit board, or it can be concentratedly arranged on the same substrate and covered with a shell or cover, so that the overall appearance is a module with a single component. Usually, external contacts are set on the module and lead out. , So that it can be mounted on the circuit board to be applied by SMT and other methods.
然而，上述現有的電感式網路訊號處理電路或網路變壓器，不論是否為模組型式，均必須用到數組個別或離散的變壓器與共模濾波器等線圈元件，如此一來，其整體所使用的零組件數量較多，從而增加了製造、組裝所需的時間與成本，同時也會佔用更多的空間，不利於產品的小型化，因此，如何針對上述問題加以改進，即為本案創作人欲解決之技術困難點所在。 However, the above-mentioned existing inductive network signal processing circuit or network transformer, whether it is a module type or not, must use coil components such as an array of individual or discrete transformers and common mode filters. The number of components used is large, which increases the time and cost required for manufacturing and assembly. At the same time, it also takes up more space, which is not conducive to the miniaturization of the product. Therefore, how to improve the above problems, that is, to create this case The technical difficulties that people want to solve are.
有鑑於習知電感式網路變壓器中須用到較多數量的線圈元件，導致整體的製造、組裝更為費工費時且產品尺寸較大等問題，因此本發明之目的在於發展一種可適用於電感式網路變壓器的整合式線圈元件。 In view of the fact that a large number of coil components must be used in the conventional inductive network transformer, which leads to problems such as overall manufacturing and assembly that are more time-consuming and time-consuming, and the product size is large, the purpose of the present invention is to develop an applicable inductor Integrated coil components of a network transformer.
為達成以上之目的，本發明係提供一種整合式多電感元件，包含：一鐵心，具有一位於中間的繞線部以及一對分別連接於該繞線部兩端的第一凸緣與第二凸緣，該鐵心於繞線部上向外圍延伸形成有一中間凸緣，該第一凸緣的頂面依序設有一第一端電極、一第二端電極與一第三端電極，該中間凸緣的頂面以相同的方向順序依序設有一第四端電極、一第五端電極與一第六端電極，該第二凸緣的頂面以相同的方向順序依序設有一第七端電極與一第八端電極；一第一繞線，係繞設在位於該第一凸緣與中間凸緣之間的繞線部上，且該第一繞線的兩端分別連接於該第一端電極與第四端電極；一第二繞線，係繞設在位於該第一凸緣與中間凸緣之間的繞線部上，且該第二繞線的兩端分別連接於該第一端電極與第五端電極；一第三繞線，係繞設在位於該第一凸緣與中間凸緣之間的繞線部上，且該第三繞線的兩端分別連接於該第二端電極與第六端電極；一第四繞線，係繞設在位於該第一凸緣與中間凸緣之間的繞線部上，且該第四繞線的兩端分別連接於該第三端電極與第六端電極；一第五繞線，係繞設在位於該中間凸緣與第二凸緣之間的繞線部上，且該第五繞線的兩端分別連接於該第四端電極與第七端電極；一第六繞線，係繞設在位於該中間凸緣與第二凸緣之間的繞線部上，且該第六繞線的兩端分別連接於該第五端電極與第八端電極。 In order to achieve the above object, the present invention provides an integrated multi-inductance element including: an iron core, a winding portion located in the middle, and a pair of first flanges and second protrusions respectively connected to both ends of the winding portion. The core extends from the winding to the periphery to form an intermediate flange. The top surface of the first flange is sequentially provided with a first terminal electrode, a second terminal electrode, and a third terminal electrode. The top surface of the edge is sequentially provided with a fourth terminal electrode, a fifth terminal electrode, and a sixth terminal electrode in the same direction, and a seventh end of the second flange is sequentially provided in the same direction. An electrode and an eighth terminal electrode; a first winding is wound on a winding portion located between the first flange and the middle flange, and both ends of the first winding are connected to the first winding respectively; One end electrode and fourth end electrode; a second winding is wound on a winding portion between the first flange and the middle flange, and both ends of the second winding are connected to the winding A first terminal electrode and a fifth terminal electrode; a third winding is wound around the first flange and the middle A winding portion between the flanges, and both ends of the third winding are connected to the second end electrode and the sixth end electrode, respectively; a fourth winding is wound around the first flange and A winding portion between the intermediate flanges, and both ends of the fourth winding are respectively connected to the third and sixth end electrodes; a fifth winding is wound between the intermediate flange and the intermediate flange; A winding portion between the second flanges, and both ends of the fifth winding are connected to the fourth end electrode and the seventh end electrode, respectively; a sixth winding is wound around the middle flange The winding portion between the second flange and the second flange has two ends connected to the fifth end electrode and the eighth end electrode, respectively.
其中，該第一繞線位於第四端電極上的一端與第五繞線位於第四端電極上的一端兩者是斷開的，該第二繞線位於第五端電極上的一端與第六繞線位於第五端電極上的一端兩者也是斷開的。 One end of the first winding on the fourth terminal electrode and one end of the fifth winding on the fourth terminal electrode are disconnected, and one end of the second winding on the fifth terminal electrode and the first winding are disconnected. One end of the six-wire winding on the fifth electrode is also disconnected.
其中，該第一繞線位於第四端電極上的一端與第五繞線位於第四端電極上的一端兩者是一體地連接的，該第二繞線位於第五端電極上的一端與第六繞線位於第五端電極上的一端兩者也是一體地連接的。 One end of the first winding on the fourth end electrode and one end of the fifth winding on the fourth end electrode are integrally connected, and one end of the second winding on the fifth end electrode and the fifth winding are integrally connected. One end of the sixth winding on the fifth end electrode is also integrally connected.
藉此，本發明可減少後端應用產品的元件使用數量，從而可有效地縮小產品的尺寸並減少製造、組裝所需的時間與成本，同時兼具有更佳的抗電磁干擾效能，進而可大幅提高本發明之實用性。 In this way, the present invention can reduce the number of components used in back-end application products, which can effectively reduce the size of the product and reduce the time and cost required for manufacturing and assembly. The practicality of the present invention is greatly improved.
3‧‧‧鐵心 3‧‧‧ Iron core
31‧‧‧繞線部 31‧‧‧winding department
32‧‧‧第一凸緣 32‧‧‧first flange
33‧‧‧第二凸緣 33‧‧‧Second flange
34‧‧‧中間凸緣 34‧‧‧ middle flange
40‧‧‧第一端電極 40‧‧‧First terminal electrode
41‧‧‧第二端電極 41‧‧‧Second terminal electrode
42‧‧‧第三端電極 42‧‧‧ third terminal electrode
43‧‧‧第四端電極 43‧‧‧ Fourth terminal electrode
44‧‧‧第五端電極 44‧‧‧ fifth terminal electrode
45‧‧‧第六端電極 45‧‧‧ sixth electrode
46‧‧‧第七端電極 46‧‧‧Seventh electrode
47‧‧‧第八端電極 47‧‧‧ Eighth terminal electrode
S1‧‧‧第一繞線 S1‧‧‧First winding
S2‧‧‧第二繞線 S2‧‧‧Second Winding
S3‧‧‧第三繞線 S3‧‧‧ Third winding
S4‧‧‧第四繞線 S4‧‧‧ Fourth winding
S5‧‧‧第五繞線 S5‧‧‧Fifth winding
S6‧‧‧第六繞線 S6‧‧‧Sixth winding
第一圖係本發明之一實施例的立體示意圖。 The first diagram is a schematic perspective view of an embodiment of the present invention.
第二圖係本發明之一實施例的俯視示意圖。 The second figure is a schematic top view of an embodiment of the present invention.
第三圖係本發明之第二實施例的俯視示意圖。 The third figure is a schematic top view of a second embodiment of the present invention.
請參閱第一圖與第二圖所示，分別係為本發明的整合式多電感元件之一實施例的立體示意圖與俯視示意圖，該整合式多電感元件包含：一鐵心3，該鐵心3具有一位於中間的繞線部31以及一對分別連接於該繞線部31兩端的第一凸緣(flange，或稱法蘭)32與第二凸緣33，該鐵心3於繞線部31上向外圍延伸形成有一中間凸緣34，亦即，該中間凸緣34係位於該第一凸緣32與第二凸緣33之間，該第一凸緣32的頂面依序設有一第一端電極40、一第二端電極41與一第三端電極42，該中間 凸緣34的頂面以相同的方向順序依序設有一第四端電極43、一第五端電極44與一第六端電極45，該第二凸緣33的頂面以相同的方向順序依序設有一第七端電極46與一第八端電極47，更具體地，各該端電極可為導電膠如銀膠。 Please refer to the first diagram and the second diagram, which are respectively a perspective view and a top view of an embodiment of an integrated multi-inductive element according to the present invention. The integrated multi-inductive element includes: an iron core 3, the iron core 3 has A winding portion 31 located in the middle and a pair of first flanges 32 and second flanges 33 respectively connected to both ends of the winding portion 31. The core 3 is on the winding portion 31. An intermediate flange 34 is formed extending to the periphery, that is, the intermediate flange 34 is located between the first flange 32 and the second flange 33. A top surface of the first flange 32 is sequentially provided with a first A terminal electrode 40, a second terminal electrode 41, and a third terminal electrode 42, A fourth end electrode 43, a fifth end electrode 44, and a sixth end electrode 45 are sequentially arranged on the top surface of the flange 34 in the same direction. The top surface of the second flange 33 is sequentially formed in the same direction. A seventh terminal electrode 46 and an eighth terminal electrode 47 are arranged in this order. More specifically, each of the terminal electrodes may be a conductive adhesive such as a silver adhesive.
一第一繞線S1，該第一繞線S1係繞設在位於該第一凸緣32與中間凸緣34之間的繞線部31上，且該第一繞線S1的兩端分別連接於該第一端電極40與第四端電極43。 A first winding S1 is wound on a winding portion 31 located between the first flange 32 and the intermediate flange 34, and two ends of the first winding S1 are connected respectively On the first terminal electrode 40 and the fourth terminal electrode 43.
一第二繞線S2，該第二繞線S2係繞設在位於該第一凸緣32與中間凸緣34之間的繞線部31上，且該第二繞線S2的兩端分別連接於該第一端電極40與第五端電極44。 A second winding S2 is wound on a winding portion 31 between the first flange 32 and the middle flange 34, and two ends of the second winding S2 are connected respectively On the first terminal electrode 40 and the fifth terminal electrode 44.
一第三繞線S3，該第三繞線S3係繞設在位於該第一凸緣32與中間凸緣34之間的繞線部31上，且該第三繞線S3的兩端分別連接於該第二端電極41與第六端電極45。 A third winding S3 is wound on a winding portion 31 located between the first flange 32 and the middle flange 34, and two ends of the third winding S3 are connected respectively On the second terminal electrode 41 and the sixth terminal electrode 45.
一第四繞線S4，該第四繞線S4係繞設在位於該第一凸緣32與中間凸緣34之間的繞線部31上，且該第四繞線S4的兩端分別連接於該第三端電極42與第六端電極45。 A fourth winding S4 is wound on a winding portion 31 between the first flange 32 and the middle flange 34, and two ends of the fourth winding S4 are connected respectively. At the third terminal electrode 42 and the sixth terminal electrode 45.
一第五繞線S5，該第五繞線S5係繞設在位於該中間凸緣34與第二凸緣33之間的繞線部31上，且該第五繞線S5的兩端分別連接於該第四端電極43與第七端電極46。 A fifth winding S5 is wound on a winding portion 31 between the middle flange 34 and the second flange 33, and two ends of the fifth winding S5 are connected respectively At the fourth terminal electrode 43 and the seventh terminal electrode 46.
一第六繞線S6，該第六繞線S6係繞設在位於該中間凸緣34與第二凸緣33之間的繞線部31上，且該第六繞線S6的兩端分別連接於該第五端電極44與第八端電極47。 A sixth winding S6, which is wound on a winding portion 31 located between the middle flange 34 and the second flange 33, and both ends of the sixth winding S6 are connected respectively At the fifth terminal electrode 44 and the eighth terminal electrode 47.
其中，該第一繞線S1、第三繞線S3的繞線方向與第二繞線S2、第四繞線S4的繞線方向相反，例如，在本實施例與第一圖中，由第一凸緣32往中間凸緣34的方向看過去，該第一繞線S1、第三繞線S3係以逆時針的方向繞設在該繞線部31上，而該第二繞線S2、第四繞線S4則係以順時針的方向繞設在該繞線部31上，此外，該第五繞線S5與第六繞線S6兩者的繞線方向則是相同的，對此，在本發明的一個實施例中，實際繞線時，可以先將第一繞線S1、第三繞線S3以雙線併繞(bifilar winding)的方式進行繞設，然後再將第二繞線S2、第四繞線S4以雙線併繞的方式進行繞設，惟本發明實際上可行的繞線方式並不以上述所列舉者為限，例如也可以採用一次繞一條線的方式來繞設。 The winding direction of the first winding S1, the third winding S3, and the winding direction of the second winding S2 and the fourth winding S4 are opposite. For example, in this embodiment and the first figure, A flange 32 looks past the direction of the middle flange 34. The first winding S1 and the third winding S3 are wound on the winding portion 31 in a counterclockwise direction, and the second winding S2 and The fourth winding S4 is wound on the winding portion 31 in a clockwise direction. In addition, the winding directions of the fifth winding S5 and the sixth winding S6 are the same. In an embodiment of the present invention, when the winding is actually performed, the first winding S1 and the third winding S3 may be wound in a bifilar winding manner, and then the second winding is wound. S2, the fourth winding S4 is wound in a double-wire parallel winding manner, but the practically applicable winding method of the present invention is not limited to the above-mentioned list, for example, the winding can be performed one winding at a time Assume.
此外，請再參閱第一圖與第二圖所示，在本發明的一個實施例中，該第一繞線S1位於第四端電極43上的一端與第五繞線S5位於第四端電極43上的一端兩者是斷開的，該第二繞線S2位於第五端電極44上的一端與第六繞線S6位於第五端電極44上的一端兩者也是斷開的；然而，請再參閱第三圖所示，在本發明的另一個可行的實施例中，該第一繞線S1位於第四端電極43上的一端與第五繞線S5位於第四端電極43上的一端兩者也可以是一體地連接的，該第二繞線S2位於第五端電極44上的一端與第六繞線S6位於第五端電極44上的一端兩者也可以是一體地連接的，此種結構設計意謂著在實際的繞線工藝上，繞線設備或繞線機在繞完第一繞線S1(或第二繞線S2)後，可以不用實施額外的斷線工序，即可繼續往下進行第五繞線S5(或第六繞線S6)的繞線作業，如此可使本發明兼具有更佳的簡化產品製造工序的優點。 In addition, please refer to the first and second figures again. In one embodiment of the present invention, one end of the first winding S1 is located on the fourth terminal electrode 43 and the fifth winding S5 is located at the fourth terminal electrode. Both ends of 43 are disconnected, and the end of the second winding S2 on the fifth end electrode 44 and the end of the sixth winding S6 on the fifth end electrode 44 are also disconnected; however, Please refer to FIG. 3 again. In another feasible embodiment of the present invention, one end of the first winding S1 on the fourth terminal electrode 43 and the fifth winding S5 on the fourth terminal electrode 43 One end may also be integrally connected, and one end of the second winding S2 on the fifth end electrode 44 and one end of the sixth winding S6 on the fifth end electrode 44 may be integrally connected. This type of structural design means that in the actual winding process, the winding device or the winding machine can complete the first winding S1 (or the second winding S2) without performing an additional disconnection process. That is, the winding operation of the fifth winding S5 (or the sixth winding S6) can be continued, so that the present invention can have better Advantage product manufacturing process.
藉由上述結構，本發明的整合式多電感元件中包含第一繞線S1至第四繞線S4及對應的各端電極所構成的左半部分即形成了相當於具有中心抽頭(即第一端電極40與第六端電極45)的變壓器元件，該整合式多電感元件中包含第五繞線S5、第六繞線S6及對應的各端電極所構成的右半部分即形成了相當於共模濾波器元件，亦即，本發明的整合式多電感元件透過共用端電極(即第四端電極43與第五端電極44)的方式，而可將兩種不同的元件整合地製作在同一個元件之中，因此，若將本發明的整合式多電感元件應用於(例如)電感式網路變壓器等產品，將可大幅降低這些產品的線圈元件使用數量，不僅可有效地縮小產品的尺寸，還可減少製造、組裝所需的時間與成本，更可使產品具有更佳的抗電磁干擾(EMI)效能，進而可大幅提高本發明之實用性。 With the above structure, the left half of the integrated multi-inductance element of the present invention including the first winding S1 to the fourth winding S4 and the corresponding terminal electrodes forms the equivalent of having a center tap (that is, the first The terminal element 40 and the sixth terminal electrode 45) are transformer elements. The integrated multi-inductance element includes a fifth winding S5, a sixth winding S6, and corresponding terminal electrodes. The common-mode filter element, that is, the integrated multi-inductance element of the present invention can integrate two different elements in a manner of sharing terminal electrodes (ie, the fourth terminal electrode 43 and the fifth terminal electrode 44). In the same component, if the integrated multi-inductance component of the present invention is applied to, for example, an inductive network transformer, the number of coil components used in these products can be greatly reduced, and the product's The size can also reduce the time and cost required for manufacturing and assembly, and can make the product have better anti-electromagnetic interference (EMI) performance, which can greatly improve the practicability of the present invention.
惟上列詳細說明係針對本發明之較佳實施例的具體說明，該等實施例並非用以限制本發明之專利範圍，而凡未脫離本發明技藝精神所為之等效實施或變更，均應包含於本案之專利範圍中。 However, the above detailed descriptions are specific descriptions of the preferred embodiments of the present invention. These embodiments are not intended to limit the patent scope of the present invention, and any equivalent implementation or change that does not depart from the technical spirit of the present invention should be Included in the patent scope of this case.
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| CN107068349A (en) * | 2017-05-03 | 2017-08-18 | 东莞普思电子有限公司 | A kind of network transformer structure and preparation method thereof |
| TWM556916U (en) * | 2017-10-30 | 2018-03-11 | Tai Tech Advanced Electronics Co Ltd | Transformer structure |
| CN207425595U (en) * | 2017-08-29 | 2018-05-29 | 东莞普思电子有限公司 | A kind of network transformer structure |
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| CN207425595U (en) * | 2017-08-29 | 2018-05-29 | 东莞普思电子有限公司 | A kind of network transformer structure |
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